UBUNTU-CVE-2015-0799

    Dashboard / Vulnerabilities / UBUNTU-CVE-2015-0799

    UBUNTU-CVE-2015-0799

    Published: 6 Apr 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-0799
    Aliases:
    USN-2557-1

    Summary:

    Details: The HTTP Alternative Services feature in Mozilla Firefox before 37.0.1 allows man-in-the-middle attackers to bypass an intended X.509 certificate-verification step for an SSL server by specifying that server in the uri-host field of an Alt-Svc HTTP/2 response header.

    References: https://ubuntu.com/security/CVE-2015-0799, https://www.mozilla.org/en-US/security/advisories/mfsa2015-44/, https://ubuntu.com/security/notices/USN-2557-1, https://www.cve.org/CVERecord?id=CVE-2015-0799

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build1-0ubuntu0.14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -37.0.1+build1-0ubuntu0.14.04.1

    Affected versions

    24.0+build1-0ubuntu1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High